--- IO-AIO/AIO.xs	2013/01/06 11:48:14	1.226
+++ IO-AIO/AIO.xs	2013/09/07 23:18:23	1.227
@@ -1872,6 +1872,22 @@
 	OUTPUT:
         RETVAL
 
+int
+pipesize (aio_rfd rfh, int new_size = -1)
+	PROTOTYPE: $;$
+        CODE:
+#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
+        if (new_size >= 0)
+          RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
+        else
+          RETVAL = fcntl (rfh, F_GETPIPE_SZ);
+#else
+        errno = ENOSYS;
+        RETVAL = -1;
+#endif
+        OUTPUT:
+        RETVAL
+
 void _on_next_submit (SV *cb)
 	CODE:
         SvREFCNT_dec (on_next_submit);